Hello Vincenzo, Before your email, hw.ixl.enable_head_writeback = 1. After your suggestion, i set the hw.ixl.enable_head_writeback = 0. then it works properly.
Thank you so much Cheers Özkan On Tue, Mar 30, 2021 at 9:22 AM Vincenzo Maffione <vmaffi...@freebsd.org> wrote: > Hi, > Could this be related to > https://reviews.freebsd.org/D26896? > > Moreover, what happens if you switch the enable_head_writeback sysctl? > > Cheers, > Vincenzo > > Il giorno lun 29 mar 2021 alle ore 10:36 Özkan KIRIK < > ozkan.ki...@gmail.com> ha scritto: > >> Hello, >> >> I hit problems about ixl driver's netmap support. I have no problems with >> ixgbe. >> The problem is tested with FreeBSD 12.2-p5 and FreeBSD 13.0-RC3. >> >> ixl in netmap mode, it works with low throughput (about 2 Gbps) for 20-30 >> seconds. And then TX queue remains full. poll with POLLOUT and even >> ioctl(fd, NIOCTXSYNC) does not work. So that nic stops working. >> >> Same netmap software with ixgbe has no problems. >> >> pciconf -lv output: >> ixl0@pci0:183:0:0: class=0x020000 card=0x37d215d9 chip=0x37d28086 >> rev=0x04 >> hdr=0x00 >> vendor = 'Intel Corporation' >> device = 'Ethernet Connection X722 for 10GBASE-T' >> class = network >> subclass = ethernet >> ixl1@pci0:183:0:1: class=0x020000 card=0x37d215d9 chip=0x37d28086 >> rev=0x04 >> hdr=0x00 >> vendor = 'Intel Corporation' >> device = 'Ethernet Connection X722 for 10GBASE-T' >> class = network >> subclass = ethernet >> ixl2@pci0:183:0:2: class=0x020000 card=0x37d015d9 chip=0x37d08086 >> rev=0x04 >> hdr=0x00 >> vendor = 'Intel Corporation' >> device = 'Ethernet Connection X722 for 10GbE SFP+' >> class = network >> subclass = ethernet >> ixl3@pci0:183:0:3: class=0x020000 card=0x37d015d9 chip=0x37d08086 >> rev=0x04 >> hdr=0x00 >> vendor = 'Intel Corporation' >> device = 'Ethernet Connection X722 for 10GbE SFP+' >> class = network >> subclass = ethernet >> >> Best regards >> _______________________________________________ >> freebsd-net@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-net >> To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" >> > _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"